Gas-liquid separator and air conditioning equipment

Abstract

The present invention relates to a gas-liquid separator and air-conditioning equipment, wherein the gas-liquid separator includes a shell, an air outlet pipe, a filter element and a fixing frame. The shell is provided with a liquid storage chamber. The air outlet pipe is at least partially provided in the liquid storage chamber, and the portion of the air outlet pipe located in the liquid storage chamber is provided with a filter port. The filter element is fixedly connected to the filter port of the air outlet pipe to filter the medium entering the air outlet pipe from the filter port. The fixing frame is fixedly connected to the shell and the filter element. Since the air outlet pipe is fixedly connected to the filter element, the fixing frame is fixedly connected to the shell and the filter element, thereby achieving a fixed connection between the air outlet pipe and the shell. Compared with the air outlet pipe, the fixing frame is easier to be fixedly connected to the filter element, and the difficulty of connecting the fixing frame and the filter element is lower. Therefore, the present application greatly reduces the difficulty of connecting the air outlet pipe and the shell by fixing the fixing frame to the filter element.

Description

Technical Field

[0001] The present invention relates to the field of refrigeration technology, in particular to a gas-liquid separator and air-conditioning equipment. Background Art

[0002] The gas-liquid separator includes a housing, an outlet pipe, and a mounting bracket. The housing has a liquid storage chamber, and the outlet pipe is located within the liquid storage chamber. The outlet pipe is also equipped with a filter element to filter the medium entering the outlet pipe through the filter port. Typically, the outlet pipe is fixedly connected to the housing via a mounting bracket. Furthermore, the outlet pipe is U-shaped, with the bottom end of the U-shaped outlet pipe snapping onto the mounting bracket. However, the outlet pipe's irregular shape and large size make it difficult to connect the outlet pipe to the mounting bracket, which in turn makes it difficult to securely connect the outlet pipe to the housing. Summary of the Invention

[0003] In view of this, it is necessary to provide a gas-liquid separator and air-conditioning equipment that can reduce the difficulty of fixedly connecting the air outlet pipe and the shell.

[0004] The present invention provides a gas-liquid separator comprising a housing, an outlet pipe, a filter element, and a mounting bracket. The housing is provided with a liquid storage chamber. The outlet pipe is at least partially disposed within the liquid storage chamber, and the portion of the outlet pipe located within the liquid storage chamber is provided with a filter port. The filter element is fixedly connected to the filter port of the outlet pipe to filter a medium entering the outlet pipe through the filter port. The mounting bracket securely connects the housing and the filter element.

[0005] In one embodiment of the present invention, the filter element includes a filter screen, a connector, and a main body connecting the filter screen and the connector. The connector extends into the filter port and is fixedly connected to the outlet pipe. The filter element extends into the filter port and is fixedly connected to the outlet pipe via the connector, thereby increasing the strength of the connection between the filter element and the outlet pipe.

[0006] In one embodiment of the present invention, the fixing frame is provided with a clamping hole, and the fixing frame is sleeved on the outside of the connector through the clamping hole. In this way, the assembly of the fixing frame and the filter element is more secure.

[0007] In one embodiment of the present invention, the portion of the fixing frame with the latch hole abuts between the air outlet pipe and the main base body. In this way, the end of the fixing frame connected to the filter element is unlikely to loosen, thereby effectively improving the structural strength of the gas-liquid separator.

[0008] In one embodiment of the present invention, one end of the fixing frame is welded to the inner wall of the shell, and the other end is provided with a clamping hole. In this way, the structure of the fixing frame is simpler, which is conducive to the processing and manufacturing of the gas-liquid separator.

[0009] In one embodiment of the present invention, the mounting bracket includes a first connecting plate and a second connecting plate, which are connected in an L-shape. The end of the first connecting plate distal to the second connecting plate is connected to the housing, and the end of the second connecting plate distal to the first connecting plate is connected to the filter element. This arrangement improves the structural strength of the mounting bracket and makes it less susceptible to bending and deformation.

[0010] In one embodiment of the present invention, both ends of the fixing frame are welded to the inner wall of the housing, and the latch hole is provided in the middle of the fixing frame. In this way, the number of welding points between the fixing frame and the housing is increased, thereby improving the connection strength between the fixing frame and the housing.

[0011] In one embodiment of the present invention, both ends of the fixing frame are bent 90° to form a flange structure, and the fixing frame is welded to the housing through the flange structure. This further increases the welding area between the fixing frame and the housing and enhances the welding strength between the fixing frame and the housing.

[0012] In one embodiment of the present invention, the inner diameter of the retaining hole is d, and the width of the retaining frame is h, satisfying 0.3h ≤ d ≤ 0.7h. d ≥ 0.3h, that is, h ≤ 10d / 3. This prevents the retaining frame from being too wide, thereby compromising its assembly flexibility within the liquid reservoir. d ≤ 0.7h prevents the inner diameter of the retaining hole from being too large, thereby compromising the retaining frame's structural strength.

[0013] In one embodiment of the present invention, the main body is a tapered tubular structure, with its outer diameter gradually increasing from one end closest to the connector to the other end further away from the connector. The filter is cylindrical, with the filter cover located at the end of the main body further away from the connector. This increases the filter area and effectively improves the oil return efficiency of the gas-liquid separator.

[0014] The present invention also provides an air-conditioning device, which includes the gas-liquid separator described in any one of the above embodiments.

[0015] In the gas-liquid separator and air conditioning equipment provided by the present invention, the air outlet pipe is fixedly connected to the filter element, and the fixing bracket is fixedly connected to the housing and the filter element, thereby achieving a fixed connection between the air outlet pipe and the housing. Compared to the air outlet pipe, the fixing bracket is more easily fixedly connected to the filter element, and the connection difficulty of the fixing bracket and the filter element is relatively low. Therefore, by fixing the fixing bracket to the filter element, the present application greatly reduces the difficulty of connecting the air outlet pipe to the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a cross-sectional view of a gas-liquid separator according to an embodiment of the present invention;

[0017] Figure 2 for Figure 1 An enlarged view of point A is shown;

[0018] Figure 3A schematic diagram of the structure of a fixing frame according to an embodiment of the present invention Figure 1 ;

[0019] Figure 4 A schematic diagram of the structure of a fixing frame according to an embodiment of the present invention Figure 2 ;

[0020] Figure 5 A cross-sectional view of a gas-liquid separator according to another embodiment of the present invention Figure 1 ;

[0021] Figure 6 A cross-sectional view of a gas-liquid separator according to another embodiment of the present invention Figure 2 ;

[0022] Figure 7 FIG. 2 is a schematic structural diagram of a fixing frame according to another embodiment of the present invention.

[0023] Figure numerals: 1, shell; 11, liquid storage chamber; 2, air outlet pipe; 21, filter port; 3, filter element; 31, main seat body; 32, filter screen; 33, connector; 4, fixing frame; 41, card hole; 42, first connecting plate; 43, second connecting plate; 44, flange structure. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be noted that when a component is referred to as being "mounted on" another component, it may be mounted directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component. When a component is considered to be "fixed to" another component, it may be directly fixed to the other component or there may be a central component.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] See also Figure 1 、 Figure 5 and Figure 6 The present invention provides a gas-liquid separator, comprising a housing 1, an inlet pipe (not shown), an outlet pipe 2, a filter element 3, and a mounting bracket 4. The housing 1 is provided with a liquid storage chamber 11. The outlet pipe 2 is at least partially disposed within the liquid storage chamber 11, and the portion of the outlet pipe 2 located within the liquid storage chamber 11 is provided with a filter port 21. The filter element 3 is fixedly connected to the filter port 21 of the outlet pipe 2 to filter the medium entering the outlet pipe 2 through the filter port 21.

[0028] Typically, a two-phase gas-liquid refrigerant enters the liquid storage chamber 11 from the inlet pipe, and the refrigerant is mixed with some lubricating oil for the compressor. After the refrigerant enters the liquid storage chamber 11, the gaseous refrigerant rises and enters the outlet pipe 2, while the liquid refrigerant mixed with the lubricating oil directly sinks to the bottom of the liquid storage chamber 11. However, the liquid refrigerant and the lubricating oil have different densities and are immiscible. Therefore, at the bottom of the liquid storage chamber 11, the liquid refrigerant and the lubricating oil will separate under the action of gravity, and the lubricating oil will float above the liquid refrigerant. The lubricating oil then passes through the filter element 3 and enters the outlet pipe 2, where it flows back into the compressor along with the gaseous refrigerant. The liquid refrigerant remaining at the bottom of the liquid storage chamber 11 can also rise within the liquid storage chamber 11 after vaporization and enter the outlet pipe 2, ultimately flowing back into the compressor.

[0029] In this embodiment, if Figure 1 、 Figure 2 、 Figure 5 and Figure 6 As shown, since the air outlet pipe 2 is fixedly connected to the filter element 3, the fixing bracket 4 is fixedly connected to the housing 1 and the filter element 3, thereby achieving a fixed connection between the air outlet pipe 2 and the housing 1. Compared with the air outlet pipe 2, the fixing bracket 4 is more easily fixedly connected to the filter element 3, and the connection difficulty of the fixing bracket 4 and the filter element 3 is relatively low. Therefore, the present application greatly reduces the difficulty of connecting the air outlet pipe 2 and the housing 1 by fixing the fixing bracket 4 to the filter element 3.

[0030] It should be noted that fixed connection includes welding and clamping. That is, the filter element 3 can be clamped or welded to the filter opening 21 of the air outlet pipe 2. Similarly, the fixing frame 4 can be welded or clamped to the housing 1, and the fixing frame 4 can be welded or clamped to the filter element 3. Fixed connection also includes screw connection, rivet connection, and other connection methods.

[0031] Furthermore, if Figure 2As shown, the filter element 3 includes a filter screen 32, a connector 33, and a main seat body 31 connecting the filter screen 32 and the connector 33. The connector 33 extends into the filter port 21 and is fixedly connected to the outlet pipe 2. The filter element 3 extends into the filter port 21 through the connector 33 and is fixedly connected to the outlet pipe 2, thereby increasing the connection strength between the filter element 3 and the outlet pipe 2. Specifically, the main seat body 31 is in the shape of a tapered tube, and the outer diameter of the main seat body 31 gradually increases from one end close to the connector 33 to the other end away from the connector 33. The filter screen 32 is in the shape of a cylinder, and the filter screen 32 is covered at the end of the main seat body 31 away from the connector 33. This is conducive to increasing the filtering area of ​​the filter screen 32 and effectively improving the oil return efficiency of the gas-liquid separator.

[0032] In one embodiment, if Figure 1-7 As shown, the fixing bracket 4 is provided with a locking hole 41, through which the fixing bracket 4 is inserted onto the outside of the connector 33. This arrangement further secures the assembly of the fixing bracket 4 and the filter element 3. Specifically, the fixing bracket 4 is first inserted onto the outside of the connector 33 through the locking hole 41, and then the connector 33 is inserted into the filter port 21 and fixedly connected to the air outlet pipe 2. Furthermore, the outside of the connector 33 is welded to the locking hole 41 of the fixing bracket 4, further strengthening the connection between the fixing bracket 4 and the filter element 3.

[0033] Furthermore, if Figure 2 As shown, the portion of the fixing frame 4 with the clamping hole 41 abuts between the air outlet pipe 2 and the main seat body 31. In this way, the end of the fixing frame 4 connected to the filter element 3 is not easy to loosen, thereby effectively improving the structural strength of the gas-liquid separator.

[0034] In one embodiment, if Figure 1-4 As shown, one end of the fixing frame 4 is welded to the inner wall of the shell 1, and the other end is provided with a clamping hole 41. That is, one end of the fixing frame 4 is connected to the shell 1, and the other end is connected to the filter element 3. In this way, the structure of the fixing frame 4 is simpler, which is conducive to the processing and manufacturing of the gas-liquid separator. Furthermore, the fixing frame 4 includes a first connecting plate 42 and a second connecting plate 43, and the first connecting plate 42 and the second connecting plate 43 are connected in an L shape. The end of the first connecting plate 42 away from the second connecting plate 43 is connected to the shell 1, and the end of the second connecting plate 43 away from the first connecting plate 42 is connected to the filter element 3. This arrangement improves the structural strength of the fixing frame 4, making it less likely for the fixing frame 4 to bend and deform.

[0035] In another embodiment, Figure 5-7As shown, both ends of the fixing frame 4 are welded to the inner wall of the housing 1, and the latch hole 41 is located in the middle of the fixing frame 4. This increases the number of weld points between the fixing frame 4 and the housing 1, improving the connection strength between the fixing frame 4 and the housing 1. Specifically, both ends of the fixing frame 4 are bent 90° to form flange structures 44, through which the fixing frame 4 is welded to the housing 1. This further increases the welding area between the fixing frame 4 and the housing 1, enhancing the welding strength between the fixing frame 4 and the housing 1.

[0036] In one embodiment, if Figure 4 and Figure 7 As shown, the inner diameter of the engaging hole 41 is d, and the width of the fixing frame 4 is h, satisfying 0.3h ≤ d ≤ 0.7h. d ≥ 0.3h, that is, h ≤ 10d / 3. This prevents the width of the fixing frame 4 from being too large, which would affect the assembly flexibility of the fixing frame 4 within the liquid storage chamber 11. d ≤ 0.7h also prevents the inner diameter of the engaging hole 41 from being too large, which would affect the structural strength of the fixing frame 4.

[0037] The present invention also provides an air-conditioning device, which includes the gas-liquid separator described in any one of the above embodiments.

[0038] The various technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the various technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. Any appropriate changes and modifications to the above embodiments fall within the scope of the present invention as long as they are within the spirit of the present invention.

Claims

1. A gas-liquid separator, characterized in that: include The housing (1) is provided with a liquid storage chamber (11); An air outlet pipe (2) is at least partially disposed in the liquid storage cavity (11), and a filter port (21) is provided on the portion of the air outlet pipe (2) located in the liquid storage cavity (11); A filter element (3) is fixedly connected to the filter port (21) of the air outlet pipe (2) to filter the medium entering the air outlet pipe (2) from the filter port (21); A fixing frame (4) fixedly connecting the housing (1) and the filter element (3); The filter element (3) comprises a filter screen (32), a connector (33), and a main seat (31) connecting the filter screen (32) and the connector (33), wherein the connector (33) extends into the filter port (21) and is fixedly connected to the air outlet pipe (2); The fixing frame (4) is provided with a clamping hole (41), and the fixing frame (4) is sleeved on the outside of the connecting head (33) through the clamping hole (41); The filter element (3) is clamped to the filter opening (21) of the air outlet pipe (2), or the filter element (3) is welded to the filter opening (21) of the air outlet pipe (2).

2. The gas-liquid separator according to claim 1, characterized in that The portion of the fixing frame (4) where the clamping hole (41) is provided abuts between the air outlet pipe (2) and the main seat body (31).

3. The gas-liquid separator according to claim 1, characterized in that One end of the fixing frame (4) is welded to the inner wall of the housing (1), and the other end is provided with the clamping hole (41).

4. The gas-liquid separator according to claim 3, characterized in that The fixing frame (4) comprises a first connecting plate (42) and a second connecting plate (43), wherein the first connecting plate (42) and the second connecting plate (43) are connected in an L-shape, an end of the first connecting plate (42) away from the second connecting plate (43) is connected to the housing (1), and an end of the second connecting plate (43) away from the first connecting plate (42) is connected to the filter element (3).

5. The gas-liquid separator according to claim 1, characterized in that Both ends of the fixing frame (4) are welded to the inner wall of the shell (1), and the clamping hole (41) is provided in the middle of the fixing frame (4).

6. The gas-liquid separator according to claim 5, characterized in that Both ends of the fixing frame (4) are bent 90° to form a flanging structure (44), and the fixing frame (4) is welded to the housing (1) via the flanging structure (44).

7. The gas-liquid separator according to claim 1, characterized in that The inner diameter of the clamping hole (41) is d, and the width of the fixing frame (4) is h, satisfying 0.3h≤d≤0.7h.

8. The gas-liquid separator according to claim 1, characterized in that The main seat body (31) is in a tapered tubular shape, and the outer diameter of the main seat body (31) gradually increases from one end close to the connector (33) to the other end away from the connector (33); the filter screen (32) is in a cylindrical shape, and the filter screen (32) is covered at one end of the main seat body (31) away from the connector (33).

9. An air conditioning device, characterized in that: Comprising the gas-liquid separator according to any one of claims 1 to 8.

Images